1. Main supply 230 Vac– 50/60 Hz
2. Fuse
3. 230 Vac not regulated output for connecting lamp, valve, dampers ... or three wire motor connection; branched off after switch and fuse input: to bypass switch and fuse (ATTENTION)
4. Regulated output to motor
5. Jumper: removed = normal working mode
in place = ‘hard start’ working mode
6. Minimum speed adjustment trimmer